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11-4-3 INSPECTION PROCEDURE
(1) Wash the carburetor body with gasoline or the like and blow it with compressed air
However, make sure not to blow compressed air into the check valve unit of the carburetor equipped
with primer pump
(2) Check the gaskets for any deformation and/or damage If a gasket is deformed or damaged, make
sure to replace it with a new one
(3) Make sure that the pump diaphragm ④ is not damaged and make sure that the inlet valve and outlet
valve are flat and not bent
(4) Make sure that the metering diaphragm ⑪ is not damaged and that the plate is not bent
(5) Check the throttle shaft and the choke shaft for smooth operation
(6) Check the inlet screen ⑥ for sticking of foreign matter If there is any particle of foreign matter stuck
on the inlet screen, wash it and blow it out with compressed air
(7) Check the inlet needle valve ⑰ for abnormal wearing If the inlet needle valve is worn, change it with
a new one
11-4-4 REASSEMBLY PROCEDURE
(1) Mount the inlet screen ⑥ on the body
(2) Mount the inlet needle valve ⑰, metering lever spring ⑯, metering lever ⑭ and other related parts
After mounting these parts, adjust the metering lever ⑭ position at the specified height
Be particularly careful when carrying out this adjustment, because the metering lever height depends
on the model
(3) Next, mount the metering gasket ⑫, metering diaphragm ⑪, body AY ⑩, primary pump ⑧ and
cover ⑨ in this order and then tighten the four cover screws ⑦
(4) Next, mount the pump diaphragm ④, pump gasket ③ and pump cover ② in this order and then
tighten the pump cover screw ①
Refer to the figure at the Fig 11-4 for the procedure for mounting the parts of the carburetor
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